LOANS RECEIVABLE, NET AND RELATED ALLOWANCE FOR LOAN LOSSES (Schedule of Loans Receivable, Net) (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Sep. 30, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	$ 625,793	$ 594,617
Net deferred loan costs	(632)	(1,241)
Allowance for loan losses	(8,505)	(8,075)
Total loans receivable	616,656	585,301
One-to-four family residential [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	208,018	203,019
Allowance for loan losses	(1,148)	(1,136)
Construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	23,152	20,350
Allowance for loan losses	(607)	(594)
Commercial real estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	335,384	280,848
Allowance for loan losses	(4,416)	(3,744)
Home equity lines of credit [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	15,568	17,930
Allowance for loan losses	(225)	(232)
Commercial business [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	40,573	68,719
Allowance for loan losses	(1,777)	(2,046)
Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	3,098	3,751
Allowance for loan losses	$ (1)	$ (15)

Amount of deferred costs incurred to originate loans and leases from face amounts of acquired loans.

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Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

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Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.

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